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Created by
user-9e1cf, last updated on May 07, 2009
1 minute read
Why Drag Analysis is necessary
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$\frac{{\partial v}}\partial r = \frac{{4 \cdot V}}
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$\frac{{\partial u}}\partial y = \frac{{3V}}2h$
Velocity Gradients
The velocity gradients found in each tube over the range of critical velocities can be found in Table 1. By comparing the velocity gradients in table 1 and the results table from the flow rate experiment it can be determined that once the velocity gradient in the tube reaches a certain value, failure occurs. From the data it appears that failure occurs around 2.4 1/s, as velocity gradients beyond this value correspond with failure in the two smallest tubes sizes tested.
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Table 1. Results: The Velocity Gradients for the Tested Critical Velocities